SOI/TD 2004-11 PR
26
599 36 44-44
3/
TABLE OF CONTENTS
1
Purpose of this manual ................................................................................................................................ 5
2
PRECAUTIONS ........................................................................................................................................... 5
3
GENERAL CHARACTERISTICS ................................................................................................................. 5
4
CONTROL PANEL....................................................................................................................................... 6
4.1
Start/Reset (S1) button ...................................................................................................................... 6
4.2
Option (S2) button.............................................................................................................................. 6
5
WASHING PROGRAMMES......................................................................................................................... 6
5.1
Options............................................................................................................................................... 7
5.1.1
“1/2 load”.....................................................................................................................................................7
5.1.2
Delayed start...............................................................................................................................................7
5.2
Cancelling a programme.................................................................................................................... 7
5.2.1
Reset ..........................................................................................................................................................7
5.2.2
Interruption of a programme (pause) ..........................................................................................................7
5.3
Power failure ...................................................................................................................................... 7
6
SEQUENCE OF OPERATION..................................................................................................................... 8
7
HYDRAULIC CIRCUIT................................................................................................................................. 9
8
ELECTRICAL COMPONENTS AND FUNCTIONS ................................................................................... 10
8.1
EDW500 Electronic control system ................................................................................................. 10
8.1.1
Functions of the circuit board ....................................................................................................................10
8.1.2
Memory in the control system ...................................................................................................................11
8.2
Specifications for actuators and sensors ......................................................................................... 11
8.2.1
Components..............................................................................................................................................11
8.2.2
Sensors.....................................................................................................................................................11
8.3
Power supply and programme selection.......................................................................................... 12
8.4
Fill circuit .......................................................................................................................................... 12
8.4.1
Level and anti-overflow pressure switch ...................................................................................................12
8.4.2
Fill system .................................................................................................................................................12
8.4.3
Anti-flooding device...................................................................................................................................12
8.4.4
Intervention of the anti-overflow system....................................................................................................12
8.5
Control of water fill phase ................................................................................................................ 12
8.5.1
Static fill ....................................................................................................................................................12
8.5.2
Dynamic fill................................................................................................................................................13
8.5.3
Level stability control.................................................................................................................................13
8.6
Water fill time ................................................................................................................................... 13
8.6.1
Static fill time.............................................................................................................................................13
8.6.2
Dynamic fill time........................................................................................................................................13
8.6.3
Power supply interruption during water fill ................................................................................................13
8.7
Level stability during washing .......................................................................................................... 13
8.8
Washing system............................................................................................................................... 13
8.8.1
Control of the washing pump ....................................................................................................................14
8.9
Heating............................................................................................................................................. 14
8.10
Integrated detergent dispenser........................................................................................................ 14
8.11
Drain................................................................................................................................................. 14
8.11.1
“Siphon” effect...........................................................................................................................................15
8.12
Regeneration system ....................................................................................................................... 15
8.13
Resin washing.................................................................................................................................. 15
8.14
“Blending” function ........................................................................................................................... 16
9
DRYING ..................................................................................................................................................... 16
10
ALARMS..................................................................................................................................................... 17
10.1
Table of alarm codes ....................................................................................................................... 17
11
USER MODE ............................................................................................................................................. 19
11.1
Regeneration selection .................................................................................................................... 19
12
SERVICE MODE........................................................................................................................................ 20
12.1
Reading the alarms and activating the individual components ....................................................... 20
12.2
Cancelling alarm codes from memory / test of LEDs ...................................................................... 20
12.3
Functional testing cycle.................................................................................................................... 21
12.3.1
Selecting the cycle ....................................................................................................................................21
12.3.2
Cycle phases ............................................................................................................................................21
12.4
Exiting Service and User modes...................................................................................................... 21
13
ELECTRICAL FUNCTIONS ....................................................................................................................... 22
13.1
Electrical circuit diagram .................................................................................................................. 22
13.2
Basic circuit diagram........................................................................................................................ 23
13.2.1
Key to circuit diagram ...............................................................................................................................23